横向
1
Data type with true or false values
4
Pointer on a computer screen
5
Security system blocking unauthorized access
纵向
1
Unit of digital information equal to 8 bits
2
Interface for software to communicate
3
Display screen for a computer
6
Conversion of data into secret code
7
Temporary computer memory
8
Organized collection of stored data
9
Smallest unit of a digital image
